1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache license, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the license for the specific language governing permissions and
15 * limitations under the license.
16 */
17 package org.apache.log4j.builders;
18
19 import java.util.concurrent.atomic.AtomicReference;
20
21 /**
22 * Provides a place to hold values generated inside of a Lambda expression.
23 *
24 * @param <V> The type of object referred to by this reference.
25 * @deprecated Use {@link AtomicReference}.
26 */
27 @Deprecated
28 public class Holder<V> {
29 private V value;
30
31 public Holder() {
32 }
33
34 public Holder(V defaultValue) {
35 this.value = defaultValue;
36 }
37
38 public void set(V value) {
39 this.value = value;
40 }
41
42 public V get() {
43 return value;
44 }
45 }